<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <script type="text/javascript" src="../assets/js/vue.js"></script>
    <title>Component 标签</title>
</head>

<body>
    <h1>Component 标签</h1>
    <hr>
    <div id="app">
        <component v-bind:is="who"></component>
        <button @click="changeComponent">changeComponent</button>
    </div>
    <script type="text/javascript">
        var componentA = {
            template:`<div style="color:red">I am componentA</div>`
        }
        var componentB = {
            template:`<div style="color:blue">I am componentB</div>`
        }
        var componentC = {
            template:`<div style="color:#00925f">I am componentC</div>`
        }
        var app = new Vue({
            el: '#app',
            data:{
                who:"componentA"
            },
            components:{
                "componentA":componentA,
                "componentB":componentB,
                "componentC":componentC,
            },
            methods:{
                changeComponent:function(){
                    if(this.who=='componentA'){
                        this.who='componentB';
                    }else if(this.who=='componentB'){
                        this.who='componentC';
                    }else{
                        this.who='componentA';
                    }
                }
            }
        })
    </script>
</body>

</html>